A tankless water heater s flow rate should be equal to the peak demand your family is likely to place on the system.
Tankless water heater 3000 sq ft house.
Again if you want to choose the right tankless water heater to replace an 80 gallon tank water heater you would need to determine the gpm and temperature rise first.
Its ef of 80 is close to that of a tankless but the cost was more than 3 000.
If you have done any research into these systems than you already know what you stand to gain by adding one to your home or property.
I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here.
However its 3 000 cost almost three times as much as my rinnai was too high for me to justify.
As a whole house tankless water heater the flow rate must be large enough for the whole family use.
Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.
But a tankless option with comparable output for instance the takagi tankless natural gas water heater available from supplyhouse is just 20 inches high 14 inches wide and less than 10.
In this scenario a 200 000 btu water heater would be able to heat all of the water in a house at a 6 4 gpm flow rate to 110 f and at a 5 4 gpm flow rate all the flowing water would be heated to.
Our whole home models are a perfect match for installations in small spaces and no venting is required.
It s probably the most powerful tankless water heater on the market.
A tankless water heater s capacity isn t measured in gallons stored but in flow rates.
Selecting a tankless heater.
I could also have used a cast iron boiler.
A tankless water heater can be powered by electricity natural gas or propane.
So i need to know what size tankless water heater is best for a family of 4.
Simply locate the appropriate water heater sizes on ecomfort using your information.
Therefore in choosing the best whole house tankless water heater you should estimate the average amount of hot water for your daily use.
The popularity of tankless water heaters is at an all time high and for a good reason.
If you have a large house and you want to buy a big whole house tankless water heater go for rinnai rur199.
Best tankless water heater whole house 1.
Tankless hot water.
Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates.
Aside from their ability to provide a seemingly endless supply of hot water on demand no less these systems save money on both water and heating bills.